what is circulatory system why it is needed write its important
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The organs and tissues involved in circulating blood and lymph through blood in body makes up the circulatory system.
Transportation of oxygen, nutrients and other useful substances occurs with the help of circulatory system. Through this system all useful substances are transported to different organs of the body.
Transportation of oxygen, nutrients and other useful substances occurs with the help of circulatory system. Through this system all useful substances are transported to different organs of the body.
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